CN101553954A - Antenna sub-assembly for electronic device - Google Patents
Antenna sub-assembly for electronic device Download PDFInfo
- Publication number
- CN101553954A CN101553954A CN200780042956.6A CN200780042956A CN101553954A CN 101553954 A CN101553954 A CN 101553954A CN 200780042956 A CN200780042956 A CN 200780042956A CN 101553954 A CN101553954 A CN 101553954A
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- circuit board
- conductor
- antenna
- assembly
- subassembly
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- 239000004020 conductor Substances 0.000 claims abstract description 63
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 6
- 230000005684 electric field Effects 0.000 description 9
- 238000004891 communication Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 238000000429 assembly Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Waveguide Aerials (AREA)
Abstract
A portable electronic device (100) having an antenna sub-assembly (204) including a conductor with a first portion (216) along a first surface of a circuit board, a second portion (218) connected to the first portion along an edge of the circuit board, and a third portion (220) connected to the second portion. The third portion is along a second surface of the circuit board. A feed leg (222) couples to the conductor to radio circuitry.
Description
Technical field
The disclosure relates generally to electronic equipment, relates more specifically to be used for the antenna sub-assembly and the combination thereof of electronic equipment.
Background technology
Mancarried electronic aid with radio reception or radio communication capability typically comprises one or more antenna sub-assemblies.Game equipment, satellite navigation and television receiver that the example of this equipment includes, but not limited to mobile phone, beep-pager, radio device, PDA(Personal Digital Assistant) and can carry out radio communication.The antenna sub-assembly that is suitable for these portable equipments application comprises, but be not limited to, folding conformal antenna (Folded InvertedConformal Antenna) is subassembly, planar inverted-F antenna (PIFA) subassembly, inverse-F antenna (IFA) subassembly, folding J antenna (FJA) subassembly, unipole antenna subassembly and loop aerial subassembly (FICA).
For example the size restrictions of the antenna sub-assembly in the mancarried electronic aid of mobile phone the overall dimensions of this equipment.For example, being used in straight-plate mobile telephone needs the ground of about 13 millimeters (mm) to isolate (ground-keep-out) zone with the FJA subassembly of renovating in the mobile phone.Similarly, be used for the U-shaped conductor of two elongations of FICA subassembly needs of some cellular mobile telephones application, approximately 15-20mm is long, and this depends on operating frequency.In addition, some FICA subassemblies need leave specific metal assembly certain clearance distance to avoid interference, and described specific metal assembly is battery and keyboard for example.Reducing antenna size under the condition of not sacrificing antenna performance is a challenge.
Based on to the thinking over of ensuing embodiment and the following accompanying drawing that will describe, different aspect of the present disclosure, feature and advantage will become more apparent for those of ordinary skill in the art.For clear, accompanying drawing may be simplified and needn't draw in proportion.
Description of drawings
Fig. 1 illustrates electronic equipment;
Fig. 2 is the partial view of electronic equipment;
Fig. 3 illustrates the side cross-sectional view of electronic equipment;
Fig. 4 illustrates the front end view of electronic equipment;
Fig. 5 illustrates the partial top view of electronic equipment;
Fig. 6 illustrates the partial bottom view of electronic equipment;
Fig. 7 illustrates experiment first return loss plot of antenna sub-assembly;
Fig. 8 illustrates experiment second return loss plot according to the antenna sub-assembly of embodiment.
Embodiment
A plurality of different embodiment of the present disclosure provide the electronic equipment with antenna sub-assembly.Antenna sub-assembly comprises at least one conductor and feed leg.Described at least one conductor has along the first on the surface of first side.In an application, described surface is corresponding to printed circuit board (PCB).Described at least one conductor also comprises the second portion that is connected to first.Second portion is along the edge on described surface.Further, described at least one conductor has the third part that is connected to second portion.Third part is along the surface of second side.Described at least one conductor is coupled to the feed leg of antenna sub-assembly.
An embodiment provides mancarried electronic aid.This equipment comprises circuit board and antenna sub-assembly.This circuit board has first surface, second surface and at least one edge.Second surface is arranged essentially parallel to first surface and described at least one edge extends between first and second surfaces.The antenna sub-assembly that is coupled to circuit board comprises at least one conductor.Described at least one conductor has the first and the second portion that is connected to first along first surface.Second portion is along described at least one edge.Described at least one conductor also has the third part that is connected to second portion.Third part is along second surface.
Another embodiment provides has the folding electronic equipment of conformal antenna (FICA) subassembly.This FICA subassembly comprises at least one conductor and feed leg.Described at least one conductor comprises along the first on the surface of first side.Described surface is corresponding to the circuit board that circuit is provided for electronic equipment.Described at least one conductor has second portion.Second portion is connected to first.Second portion is along the edge on described surface and be substantially perpendicular to first.Described at least one conductor also has the third part that is connected to second portion.Third part is along the surface of second side, and is arranged essentially parallel to first.The feed leg of described FICA subassembly is coupled to described at least one conductor.Described feed leg is used to activate the FICA subassembly.
Fig. 1 illustrates the mancarried electronic aid 100 that is embodied in straight-plate mobile telephone.In other embodiments, housing that can be by having sliding members or the housing of renovating housing or having a rotating element are specialized electronic equipment 100.The example of mancarried electronic aid comprises, but be not limited to, mobile cellular or satellite phone, beep-pager, radio communication equipment, comprise PDA(Personal Digital Assistant) and game equipment, satellite-based navigator and media signal receiving equipment, for example, the equipment that has FM or XM radio device or DVB-H receiver.Electronic equipment 100 comprises housing 102, and this housing 102 surrounds other assembly of electronic equipments 100, and such as antenna sub-assembly, battery and circuit, for example, radio receiver or reflector do not illustrate but the assembly known for those of ordinary skills.
Fig. 2 illustrates the partial view of electronic equipment 100, comprises circuit board 202, antenna sub-assembly 204, battery 206 and supports 208.Circuit board 202 has two surfaces, first surface 210 and the second surface 212 at opposite side.Typically, first surface 210 is top surfaces of circuit board 202, and second surface 212 is lower surface of circuit board 202, but first surface can be that bottom and second can be the top.
In Fig. 2, electronic equipment 100 comprises antenna sub-assembly 204.The example of antenna sub-assembly 204 comprises, but be not limited to folding conformal antenna (FICA) subassembly, planar inverted-F antenna (PIFA) subassembly, inverse-F antenna (IFA) subassembly, folding J antenna (FJA) subassembly, unipole antenna subassembly and loop aerial subassembly.
In Fig. 2, antenna sub-assembly 204 comprises at least one conductor and feed leg (not illustrating among Fig. 2).Described at least one conductor comprises first 216, second portion 218 and third part 220.In an embodiment, first 216 is along the surface of first side.First 216 has sinuous pattern.First 216 is along the top surface setting of circuit board 202.The first 216 of antenna also separates a distance with circuit board 202, although as following further discussion, the part of antenna can with the circuit board electric coupling.
In Fig. 1, first 216 is connected to second portion 218.Second portion 218 extends along the edge between first and second surfaces of circuit board.The second portion of antenna and the marginating compartment of circuit board is opened or the current-carrying part of contact circuit plate not at least.In Fig. 1, the second portion 218 of antenna comprises the part of extending from the opposite end of the first 216 of antenna.Second portion 218 is also spaced apart with the edge 214 of circuit board.
The second portion 218 of antenna is connected to third part 220.Third part 220 is along the second side setting of circuit board, and is relative with first side of first's 216 residing circuit boards of antenna.In Fig. 1, third part 220 comprises the counterpart that extends from corresponding second portion 218.Third part 220 also has sinuous shape, and this has increased its electrical length.Third part 220 is along the lower surface of circuit board 202.In one embodiment, second portion 218 is vertical with first 216 basically.In Fig. 2, the third part 220 of antenna is arranged essentially parallel to the first 216 of antenna.Be configured like this, antenna sub-assembly 204 is by reducing needed space around the part that described at least one conductor is centered around circuit board.In Fig. 3, first 216 is illustrated and is arranged essentially parallel to first surface 210, and second portion 218 is illustrated along at least one edge 214, and third part 220 is illustrated and is arranged essentially parallel to second surface 212.
In one embodiment, described at least one conductor has the slit.In Fig. 2, described at least one conductor is shown having single slit 226.In other embodiments, described at least one conductor can have a plurality of slits.Extend via the entity part of described at least one conductor in slit 226, for example, extends via the one or more parts in first, second and the third part of described at least one conductor, as further being discussed below in conjunction with Fig. 5 and 6.Typically, for the FICA subassembly, the width in slit is less than 5 millimeters (mm).In execution mode, the slit has constant width, although it can have variable-width in other embodiments.
In Fig. 3, circuit board 202 comprises a plurality of layers.Typically, ground surface 302 is included in a plurality of layers of circuit board 202 as single layer.In Fig. 3, ground surface 302 is planes, but it can have nonplanar structure in other embodiments.In another embodiment, ground surface 302 comprises the layer of the several connections in a plurality of layer of circuit board 202.In one embodiment, antenna is grounded to ground surface 302.In Fig. 3, ground branch road 224 is described at least one conductor, and its first 216 specifically, is electrically coupled to ground surface 302.In other embodiments, the other parts of antenna can be coupled to ground surface 302.
Fig. 3 illustrate have ground surface 302, the side cross-sectional view of the electronic equipment 100 of first dielectric 304, second dielectric 306 and shown in Figure 2 and other assembly of describing.Dielectric is generally with antenna and conducting element insulation, and in certain embodiments, dielectric provides support structure.In Fig. 3, for example, first dielectric 304 is with the first 216 and circuit board insulation of antenna.Second dielectric 306 is with second portion 218 insulation of antenna.First and second dielectric shapes generally depend on the shape of first and second parts of correspondence of antenna and the degree of approach of other element that antenna part insulate with it.One or more therein dielectrics are that dielectric shape or structure can be stipulated by the support demand among the embodiment that provides support of antenna, feed leg and/or ground branch road.
In Fig. 2 and 3, electronic equipment 100 comprises the battery 206 that is coupled to circuit board 202.Battery 206 provides electric energy for the function of electronic equipment 100.In certain embodiments, battery 206 is supported by the support component on the circuit board, for example, and the support 208 among Fig. 2 and 3.Antenna sub-assembly 204 typically separates limited distance with battery 206 and circuit board to be disturbed to reduce.In Fig. 3, the first 216 of antenna separates second limited distance with first surface 210, and second portion 218 separates the 3rd limited distance with described at least one edge 214, and third part 220 and second surface 212 separate the having ideals, morality, culture, and discipline range line from.Antenna sub-assembly 204 also separates with battery 206.
The antenna feed branch road is electrically connected to circuit board with described at least one conductor.Feed leg is used for activating or driven antenna subassembly 204.In Fig. 2 and 3, one or more feed leg 224 are connected to conductor on the circuit board with the first 216 of antenna.In certain embodiments, antenna sub-assembly 204 also comprises the ground branch road, and is not shown in Fig. 2.The ground branch road is coupled to described at least one conductor and is provided for the conductive path of ground connection.
Fig. 4 illustrates the position of feed leg 222 and ground branch road 224.Ground branch road 224 is illustrated and is connected to ground surface 302.In certain embodiments, feed leg 222 and ground branch road 224 are about first 216 symmetry location.In other embodiments, feed and ground branch road are about first's 216 asymmetric localization.In addition, can adjust feed and the ground distance between the branch road with matched impedance.When feed leg was furthered with the ground branch road, the bandwidth of the working band of antenna sub-assembly 204 reduced.Increase the distance between feed leg 222 and the ground branch road 224, the impedance that has just increased antenna sub-assembly 204.
Fig. 5 illustrates the partial top view of antenna sub-assembly 204.The cross-sectional top view of electronic equipment 100 illustrates the symmetrical plane 502 of circuit board 202, first 216, third part 220, slit 226 and described at least one conductor, and this symmetrical plane 502 is divided into described at least one conductor the component of two substantial symmetry.
The antenna sub-assembly that illustrates can be operated under common electromagnetic mode, differential electromagnetic mode and the slot electromagnetic mode.In common electromagnetic mode, electric field intensity extends between described at least one conductor and ground surface.In this pattern, electric field is basically about symmetrical plane 502 symmetries, and is shown in Figure 5.In common electromagnetic mode, the different component of described at least one conductor and the electric field intensity between the ground surface point to identical direction at any given time.This identical direction can be towards ground surface 302 or leave ground surface.In common electromagnetic mode, be parallel to symmetrical plane with the mobile corresponding electric field intensity orientation of the electric current in the ground surface.
In differential electromagnetic mode, electric field is about symmetrical plane 502 antisymmetry basically, and is shown in Figure 5.For example, carve at a time, electric field is in the first side directed toward ground surface 302 of symmetrical plane 502, and in second side of symmetrical plane 502 towards described at least one conductor.In certain embodiments, described at least one conductor can not present bilateral symmetry.In this embodiment, in the time of in being operated in differential electromagnetic mode, existing along first of the length of first 216 and point to and point to along second of the length of third part 220.In this embodiment, point to and second side of pointing to direction of electric field points first.For example, from ground surface 302 towards described at least one conductor.Point to and second opposite side that points to the direction that electric field points is opposite first.For example, from described at least one conductor towards ground surface 302.Antenna sub-assembly 204 as shown in Figure 5, has consistent or approaching first sensing and second sensing of sensing of striding first 216 and third part 220 with symmetrical plane 502.
In slot electromagnetic mode, highfield passes slit 226, and electric field is basically about symmetrical plane 502 symmetries.
Typically, common electromagnetic mode, differential electromagnetic mode and slot electromagnetic mode are corresponding to three frequency bands, and it can be supported in the communication on the different communication channel.Each communication channel can be used different communication protocol.The example of agreement comprises global system for mobile communications (GSM)-900, GSM-1800, GSM-1900, Advanced Mobile Phone System (AMPS), universal mobile telecommunications system (UMTS) etc.Typically, the reflector of electronic equipment 100 and receiver with three patterns in the frequency of each frequency band that is associated on work.
Typically, slit 226 is through the length extending of described at least one conductor.In one embodiment, to follow the length with the length that surpasses described at least one conductor be the path of feature in slit 226.In Fig. 5, be shown as along the length of first 216 with first 216 corresponding slits 226 and adopt six right angles turnovers.
Fig. 6 illustrates the sectional bottom-view according to the electronic equipment 100 of embodiment.The sectional bottom-view of electronic equipment 100 illustrates, circuit board 202, first 216, third part 220 and the slit 226 corresponding with third part 220.Be shown as along the length of third part 220 with third part 220 corresponding at least one slit 226 and adopt six right angles turnovers.
Fig. 7 illustrates experiment first return loss plot 700 according to the antenna sub-assembly 204 of an execution mode.Return loss is the power that returns from antenna sub-assembly.Typically, for good antenna sub-assembly, return loss reduces.X-axis illustrates the variation of frequency (is unit with GHz (GHz)) and the variation that Y-axis illustrates power (is unit with decibel (Db)).
First return loss plot is illustrated in the return loss of the antenna sub-assembly that 800 megahertzes (MHz) determine to the frequency range of 1000MHz.First return loss illustrates first working band 702, and this working band 702 extends to 958MHz from 878MHz, has the center greatly about the resonance frequency of 940MHz.First working band 702 is corresponding to common electromagnetic mode.First working band 702 can, for example be used to the GSM of 900MHz frequency band.
Fig. 8 illustrates experiment second return loss plot 800 according to the antenna sub-assembly 204 of embodiment.X-axis illustrates the variation of frequency (is unit with GHz) and the variation that Y-axis illustrates power (is unit with Db).Second return loss plot is illustrated in the return loss of the antenna sub-assembly of determining in the frequency range of 1600MHz to 2300MHz.
Test second return loss plot 800 second working band 802 is shown, this second working band 802 extends to 2150MHz from 1690MHz, has the center greatly about two resonance frequencys of 1800MHz and 2100MHz.The center greatly about the resonance frequency of 1800MHz corresponding to differential electromagnetic mode.The center greatly about the resonance frequency of 2100MHz corresponding to slot electromagnetic mode.Second working band can be used to GSM and communicate by letter with UMTS.Therefore, observe out the multiband performance, illustrate as Fig. 7 and Fig. 8 from antenna sub-assembly 204.
Different embodiment of the present disclosure provides the compact antenna that is used for electronic equipment subassembly.Antenna sub-assembly is by having reduced needed space around the circuit board that at least one conductor is centered around electronic equipment.And it is identical that the performance of antenna sub-assembly roughly keeps.This also makes electronic equipment can have compact size.
Can be contemplated that, a those of ordinary skill, though may pay huge effort and for example have the many design alternatives that excite by up duration, prior art and consideration economically, but under the guidance of disclosed notion and principle, can easily generate this software instruction and program and IC here with minimum experiment.
Although to set up ownership and to make those of ordinary skills can make and use the mode of the disclosure and optimal mode thereof to describe the disclosure and optimal mode thereof, but be appreciated that and recognize, have the equivalents of exemplary embodiment disclosed herein and can under the prerequisite that does not depart from scope and spirit of the present invention they be made amendment and change, scope and spirit of the present invention limit by claims rather than by exemplary embodiment.
Claims (10)
1. mancarried electronic aid comprises:
Be arranged on the radio circuit on the circuit board, described circuit board has at first and second surfaces of the opposite side of described circuit board and the edge that extends between described first and second surfaces;
Antenna sub-assembly, described antenna sub-assembly comprise that the feed leg by coupling is coupled to the conductor of described radio circuit,
Described conductor comprises the third part that is provided with along the first that the described first surface of described circuit board is provided with, along the described second surface of described circuit board, and the second portion that is provided with along the described edge of described circuit board, wherein said second portion described first and second parts that interconnect.
2. equipment according to claim 1,
Described first comprises the opposite end,
Described second portion comprises first and second parts of extending from the opposite end of described first and being provided with along the described edge of described circuit board,
Described third part comprises one first and second parts that are coupled to correspondence from first and second parts that extend the opposite end of described first.
3. equipment according to claim 1, wherein said second portion are substantially perpendicular to described first and described third part is arranged essentially parallel to described first.
4. equipment according to claim 1 further comprises the ground branch road that described conductor is grounded to the ground on the described circuit board.
5. electronic equipment comprises:
Circuit board, described circuit board comprise first surface, second surface and at least one edge, and described second surface is arranged essentially parallel to described first surface, and described at least one edge extends between described first surface and described second surface; And
Antenna sub-assembly, described antenna sub-assembly is electrically coupled to described circuit board, and described antenna sub-assembly comprises the radiation conductor element, and described radiation conductor element is centered around around described first and second surfaces of described circuit board.
6. equipment according to claim 5, described radiation conductor element comprise the third part of the described second surface of the first of described first surface of contiguous described circuit board and contiguous described circuit board, described first and third part substantially parallel.
7. equipment according to claim 5, described radiation conductor element comprises one of the following at least: second portion, described second portion interconnect described first and third part, and described second portion is substantially perpendicular to described first and third part; And via at least one slit of a part of described radiation conductor element.
8. equipment according to claim 5 further comprises one of the following at least: feed leg, and described feed leg is connected to described circuit board with described radiation conductor element; The ground branch road, described ground branch road is connected to described at least one conductor, and wherein said ground branch road is provided for the conductive path with described at least one conductor ground connection.
9. equipment according to claim 5, described antenna sub-assembly is selected from the group that comprises the following: folding conformal antenna (FICA) subassembly; Planar inverted-F antenna (PIFA) subassembly; Inverse-F antenna (IFA) subassembly; Folding J antenna (FJA) subassembly; The unipole antenna subassembly; With the loop aerial subassembly.
10. one kind folds the subassembly of falling the conformal antenna, comprising:
First conductor part with opposite end;
Second conductor part with two components, first component of described second conductor part is extended from first end of described first conductor part, second component of described second conductor part is extended from second end of described first conductor part, and described two components of described second conductor part are arranged to be substantially perpendicular to the described opposite end of described first conductor part;
The 3rd conductor part with two components, first component of described the 3rd conductor part is extended from described first component of described second conductor part, and second component of described the 3rd conductor part is extended from described second component of described second conductor part.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06425786.8 | 2006-11-20 | ||
| EP06425786A EP1923951A1 (en) | 2006-11-20 | 2006-11-20 | Antenna sub-assembly for electronic device |
| PCT/US2007/081357 WO2008063788A2 (en) | 2006-11-20 | 2007-10-15 | Antenna sub-assembly for electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101553954A true CN101553954A (en) | 2009-10-07 |
| CN101553954B CN101553954B (en) | 2013-09-25 |
Family
ID=37709781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200780042956.6A Active CN101553954B (en) | 2006-11-20 | 2007-10-15 | Antenna sub-assembly for electronic device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1923951A1 (en) |
| CN (1) | CN101553954B (en) |
| WO (1) | WO2008063788A2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997165A (en) * | 2010-10-27 | 2011-03-30 | 惠州Tcl移动通信有限公司 | Enclosed type multiband aerial and wireless communication device thereof |
| CN102158243A (en) * | 2010-02-12 | 2011-08-17 | 智易科技股份有限公司 | Wireless network receiver |
| CN104218329A (en) * | 2014-09-05 | 2014-12-17 | 昆山联滔电子有限公司 | Combined antenna |
| WO2015100654A1 (en) * | 2013-12-31 | 2015-07-09 | 华为终端有限公司 | Loop antenna and mobile terminal |
| US9112274B2 (en) | 2010-02-09 | 2015-08-18 | Arcadyan Technology Corporation | Wireless network receiver |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7642964B2 (en) | 2006-10-27 | 2010-01-05 | Motorola, Inc. | Low profile internal antenna |
| US8193993B2 (en) | 2006-11-20 | 2012-06-05 | Motorola Mobility, Inc. | Antenna sub-assembly for electronic device |
| WO2011000416A1 (en) * | 2009-06-30 | 2011-01-06 | Nokia Corporation | Apparatus for wireless communication comprising a loop like antenna |
| US9136594B2 (en) * | 2009-08-20 | 2015-09-15 | Qualcomm Incorporated | Compact multi-band planar inverted F antenna |
| US9819069B2 (en) | 2015-02-11 | 2017-11-14 | Google Inc. | Multi-band antenna with a battery resonator |
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| CA1212175A (en) | 1983-03-19 | 1986-09-30 | Takashi Oda | Double loop antenna for use in connection to a miniature radio receiver |
| US4862181A (en) | 1986-10-31 | 1989-08-29 | Motorola, Inc. | Miniature integral antenna-radio apparatus |
| JP2806525B2 (en) * | 1988-03-04 | 1998-09-30 | 日本電気株式会社 | Receiver with display function |
| CA1325269C (en) * | 1988-04-11 | 1993-12-14 | Quirino Balzano | Balanced low profile hybrid antenna |
| US4955044A (en) | 1988-12-02 | 1990-09-04 | Amstore Corporation | Lighted display case |
| US5300937A (en) * | 1989-10-02 | 1994-04-05 | Motorola, Inc. | Loop antenna |
| JPH06244755A (en) * | 1993-02-12 | 1994-09-02 | Fujitsu Ltd | Portable radio equipment |
| US5757326A (en) | 1993-03-29 | 1998-05-26 | Seiko Epson Corporation | Slot antenna device and wireless apparatus employing the antenna device |
| US6195048B1 (en) * | 1997-12-01 | 2001-02-27 | Kabushiki Kaisha Toshiba | Multifrequency inverted F-type antenna |
| JP4510244B2 (en) | 2000-07-19 | 2010-07-21 | パナソニック株式会社 | Antenna device |
| EP1310014B1 (en) * | 2000-08-08 | 2007-05-30 | Koninklijke Philips Electronics N.V. | Wireless terminal |
| KR100425236B1 (en) * | 2001-04-12 | 2004-03-30 | 미래테크 주식회사 | A wide-band antenna for a mobile communication |
| US6762723B2 (en) * | 2002-11-08 | 2004-07-13 | Motorola, Inc. | Wireless communication device having multiband antenna |
| TWI259607B (en) * | 2005-04-29 | 2006-08-01 | Benq Corp | Antenna device |
-
2006
- 2006-11-20 EP EP06425786A patent/EP1923951A1/en not_active Ceased
-
2007
- 2007-10-15 CN CN200780042956.6A patent/CN101553954B/en active Active
- 2007-10-15 WO PCT/US2007/081357 patent/WO2008063788A2/en active Application Filing
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9112274B2 (en) | 2010-02-09 | 2015-08-18 | Arcadyan Technology Corporation | Wireless network receiver |
| CN102158243A (en) * | 2010-02-12 | 2011-08-17 | 智易科技股份有限公司 | Wireless network receiver |
| CN101997165A (en) * | 2010-10-27 | 2011-03-30 | 惠州Tcl移动通信有限公司 | Enclosed type multiband aerial and wireless communication device thereof |
| WO2015100654A1 (en) * | 2013-12-31 | 2015-07-09 | 华为终端有限公司 | Loop antenna and mobile terminal |
| CN104885296A (en) * | 2013-12-31 | 2015-09-02 | 华为终端有限公司 | Loop antenna and mobile terminal |
| EP3062387A4 (en) * | 2013-12-31 | 2017-01-11 | Huawei Device Co., Ltd. | Loop antenna and mobile terminal |
| CN104218329A (en) * | 2014-09-05 | 2014-12-17 | 昆山联滔电子有限公司 | Combined antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101553954B (en) | 2013-09-25 |
| WO2008063788A3 (en) | 2008-07-17 |
| EP1923951A1 (en) | 2008-05-21 |
| WO2008063788A2 (en) | 2008-05-29 |
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